---
kind: "section"
citation: "21 C.F.R. § 172.120"
title: "21"
number: "172.120"
heading: "Calcium disodium EDTA."
url: "https://uscodex.org/cfr/21/172.120"
---

# §172.120. Calcium disodium EDTA.


The food additive calcium disodium EDTA (calcium disodium ethylene-diaminetetraacetate) may be safely used in designated foods for the purposes and in accordance with the conditions prescribed, as follows:

- (a) The additive contains a minimum of 99 percent by weight of either the dihydrate C10H12O8N2CaNa2·2H2O or the trihydrate C10H12O8N2CaNa2·3H2O, or any mixture of the two.
- (b) **It is used or intended for use as follows—**
  - (1) Alone, in the following foods at not to exceed the levels prescribed, calculated as the anhydrous compound:
  - (2) With disodium EDTA (disodium ethylenediaminetetraacetate) in the following foods at not to exceed, in combination, the levels prescribed, calculated as anhydrous C10H12O8N2CaNa2:
- (c) **To assure safe use of the additive—**
  - (1) The label and labeling of the additive container shall bear, in addition to the other information required by the Act, the name of the additive.
  - (2) The label or labeling of the additive container shall bear adequate use directions to provide a final food product that complies with the limitations provided in [paragraph (b)](#b) of this section.
- (d) In the standardized foods listed in [paragraph (b)](#b) of this section, the additives are used only in compliance with the applicable standards of identity for such foods.

## Notes

### Amendments

[42 FR 14491, Mar. 15, 1977, as amended at 48 FR 10815, Mar. 15, 1983; 58 FR 52222, Oct. 7, 1993; 60 FR 33710, June 29, 1995; 65 FR 48379, Aug. 8, 2000]

### Authority

Authority: 21 U.S.C. 321, 341, 342, 348, 371, 379e.

### Source

Source: 42 FR 14491, Mar. 15, 1977, unless otherwise noted.

### Amendments

[42 FR 14491, Mar. 15, 1977, as amended at 48 FR 10815, Mar. 15, 1983; 58 FR 52222, Oct. 7, 1993; 60 FR 33710, June 29, 1995; 65 FR 48379, Aug. 8, 2000]